Mario Bellini. Divisumma 18 Electronic Printing Calculator. 1972 | MoMA
Olivetti Divisumma 18 - calcolatrice - Industria, manifattura, artigianato, Olivetti; Bellini Mario – Patrimonio scientifico e tecnologico – Lombardia Beni Culturali
Modem Times on Twitter: "The 1973 Underwood Olivetti 280 calculator, designed by Mario Bellini. A similar key layout to the Divisumma 18 it also uses the same rubberized keyboard. https://t.co/dGLnqXEAmK" / Twitter
Mario Bellini Divisumma 18 Electronic Printing Calculator by - Etsy
La calcolatrice Divisumma 18 di Mario Bellini – sbandiu: momenti di design
The Olivetti Divisumma 18 calculator: the lightness of numbers - Italian Ways | Calculator design, Retro design, Objects design